// Copyright 2020 Canonical ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ------------------------------------------------------------------
// Modification history:
// feature: Code style modification
// ------------------------------------------------------------------

#ifndef INCLUDE_EDDS_RTPS_SECURITY_LOGGING_LOGGINGLEVEL_H_
#define INCLUDE_EDDS_RTPS_SECURITY_LOGGING_LOGGINGLEVEL_H_

#include <edds/rtps/security/exceptions/SecurityException.h>

namespace evbs {
namespace ertps {
namespace rtps {
namespace security {

/**
 * @brief The LoggingLevel enum
 *
 * @note Definition in DDS-Sec v1.1 9.6
 */
enum struct LoggingLevel : long {
    EMERGENCY_LEVEL,      // System is unusable. Should not continue use.
    ALERT_LEVEL,          // Should be corrected immediately
    CRITICAL_LEVEL,       // A failure in primary application.
    ERROR_LEVEL,          // General error conditions
    WARNING_LEVEL,        // May indicate future error if action not taken.
    NOTICE_LEVEL,         // Unusual, but nor erroneous event or condition.
    INFORMATIONAL_LEVEL,  // Normal operational. Requires no action.
    DEBUG_LEVEL
};

inline bool string_to_LogLevel(const std::string& s, LoggingLevel& l, SecurityException& e) {
    // TODO(artivis): use an array of const char to avoid strings?
    bool convert = true;
    if ((!s.compare("0")) || (!s.compare("EMERGENCY_LEVEL"))) {
        l = LoggingLevel::EMERGENCY_LEVEL;
    } else if ((!s.compare("1")) || (!s.compare("ALERT_LEVEL"))) {
        l = LoggingLevel::ALERT_LEVEL;
    } else if ((!s.compare("2")) || (!s.compare("CRITICAL_LEVEL"))) {
        l = LoggingLevel::CRITICAL_LEVEL;
    } else if ((!s.compare("3")) || (!s.compare("ERROR_LEVEL"))) {
        l = LoggingLevel::ERROR_LEVEL;
    } else if ((!s.compare("4")) || (!s.compare("WARNING_LEVEL"))) {
        l = LoggingLevel::WARNING_LEVEL;
    } else if ((!s.compare("5")) || (!s.compare("NOTICE_LEVEL"))) {
        l = LoggingLevel::NOTICE_LEVEL;
    } else if ((!s.compare("6")) || (!s.compare("INFORMATIONAL_LEVEL"))) {
        l = LoggingLevel::INFORMATIONAL_LEVEL;
    } else if ((!s.compare("7")) || (!s.compare("DEBUG_LEVEL"))) {
        l = LoggingLevel::DEBUG_LEVEL;
    } else {
        e = SecurityException("Unknown LoggingLevel");
        convert = false;
    }

    return convert;
}

inline bool LogLevel_to_string(const LoggingLevel l, std::string& s, SecurityException& e) {
    bool convert = true;
    switch (l) {
        case LoggingLevel::EMERGENCY_LEVEL:
            s = "EMERGENCY";
            break;
        case LoggingLevel::ALERT_LEVEL:
            s = "ALERT";
            break;
        case LoggingLevel::CRITICAL_LEVEL:
            s = "CRITICAL";
            break;
        case LoggingLevel::ERROR_LEVEL:
            s = "ERROR";
            break;
        case LoggingLevel::WARNING_LEVEL:
            s = "WARNING";
            break;
        case LoggingLevel::NOTICE_LEVEL:
            s = "NOTICE";
            break;
        case LoggingLevel::INFORMATIONAL_LEVEL:
            s = "INFORMATIONAL";
            break;
        case LoggingLevel::DEBUG_LEVEL:
            s = "DEBUG";
            break;
        default:
            s = "UNKNOWN";
            convert = false;
            e = SecurityException("Unknown LoggingLevel");
            break;
    }

    return convert;
}

}  // namespace security
}  // namespace rtps
}  // namespace ertps
}  // namespace evbs

#endif  // INCLUDE_EDDS_RTPS_SECURITY_LOGGING_LOGGINGLEVEL_H_
